Evidence map›Paper›PMID 19564338›Full record

ArticleThe Journal of biological chemistry2009

Role of ADAMs in the ectodomain shedding and conformational conversion of the prion protein.

David R Taylor, Edward T Parkin, Sarah L Cocklin, James R Ault, Alison E Ashcroft, Anthony J Turner, Nigel M Hooper

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 80 papers.

0numbers the graph read from it
0cells of the map it votes in
80citing papers in PubMed
5.1field-weighted citation impact, top 4% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

80 citing papers in PubMed, 137 citations in OpenAlex.

  1. Review
  2. Therapeutic Trajectories in Human Prion Diseases.Sub-cellular biochemistry · 2025
    Review
  3. Review
  4. Article
  5. Article
  6. Article
  7. Article
  8. New implications for prion diseases therapy and prophylaxis.Frontiers in molecular neuroscience · 2024
    Review
  9. Review
  10. Article
  11. Review
  12. Beta-endoproteolysis of the cellular prion protein by dipeptidyl peptidase-4 and fibroblast activation protein.Proceedings of the National Academy of Sciences of the United States of America · 2023
    Article
  13. Review
  14. Article
  15. Prion Protein: The Molecule of Many Forms and Faces.International journal of molecular sciences · 2022
    Review
  16. A Soluble PrPJournal of immunology (Baltimore, Md. : 1950) · 2022
    Article
  17. Article
  18. Article
  19. Review
  20. Article

20 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 4 institutions in 4 countries.

David R TaylorProteolysis Research Group, Institute of Molecular and Cellular Biology, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, United Kingdom.
Edward T Parkin
Sarah L Cocklin
James R Ault
Alison E Ashcroft
Anthony J Turner
Nigel M Hooper
Avisys (United States) · USInstitut de Biologie Moléculaire et Cellulaire · FRInstitute of Structural and Molecular Biology · GBUniversity of Leeds · GB

Funding

Medical Research Council G9824728Wellcome TrustWellcome Trust 080229/Z/06/Z
6 · The paper itself

Abstract

The cellular prion protein (PrP(C)) is essential for the pathogenesis and transmission of prion diseases. PrP(C) is bound to the plasma membrane via a glycosylphosphatidylinositol anchor, although a secreted, soluble form has also been identified. Previously we reported that PrP(C) is subject to ectodomain shedding from the membrane by zinc metalloproteinases with a similar inhibition profile to those involved in shedding the amyloid precursor protein. Here we have used gain-of-function (overexpression) and loss-of-function (small interfering RNA knockdown) experiments in cells to identify the ADAMs (a disintegrin and metalloproteinases) involved in the ectodomain shedding of PrP(C). These experiments revealed that ADAM9 and ADAM10, but not ADAM17, are involved in the shedding of PrP(C) and that ADAM9 exerts its effect on PrP(C) shedding via ADAM10. Using dominant negative, catalytically inactive mutants, we show that the catalytic activity of ADAM9 is required for its effect on ADAM10. Mass spectrometric analysis revealed that ADAM10, but not ADAM9, cleaved PrP between Gly(228) and Arg(229), three residues away from the site of glycosylphosphatidylinositol anchor attachment. The shedding of another membrane protein, the amyloid precursor protein beta-secretase BACE1, by ADAM9 is also mediated via ADAM10. Furthermore, we show that pharmacological inhibition of PrP(C) shedding or activation of both PrP(C) and PrP(Sc) shedding by ADAM10 overexpression in scrapie-infected neuroblastoma N2a cells does not alter the formation of proteinase K-resistant PrP(Sc). Collectively, these data indicate that although PrP(C) can be shed through the action of ADAM family members, modulation of PrP(C) or PrP(Sc) ectodomain shedding does not regulate prion conversion.

Indexed as

ADAM10 ProteinADAM17 ProteinADAM ProteinsAmyloid Precursor Protein SecretasesAnimalsAspartic Acid EndopeptidasesCell LineCell Line, TumorDNA, ComplementaryHumansImmunoblottingMass SpectrometryMembrane ProteinsMicePrPC ProteinsPrPSc ProteinsADAM10 ProteinADAM10 protein, humanADAM17 ProteinADAM17 protein, humanAdam17 protein, mouseADAM9 protein, humanADAM ProteinsAmyloid Precursor Protein SecretasesAspartic Acid EndopeptidasesBACE1 protein, humanDNA, ComplementaryMembrane ProteinsPrPC ProteinsPrPSc ProteinsRecombinant ProteinsRNA, Small Interfering

Identifiers

PMID19564338
PMCPMC2755666
OpenAlexW2041602058

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.